As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT T/O ENG FIRE LIGHT ILLUM. BOTTLES 1 AND 2 DISCHARGED LIGHT REMAIN ILLUM. *S/D* REMOVED AND REPLACED FIRE DETECTION UNIT AND FIRE BOTTLES AND DISCHARGE IND DISK PER STANDARD PRACTICE AND MM 26-21-001-4, MM 26-11-001-5. GOOD FOR SERVICE.